Category: Light

(Image above: Gallery of the 19th century art. National Museum in Warsaw – Boston9, courtesy Wikipedia Commons) After NASA installed LED lighting through-out their headquarters in Washington DC, last month, their chief engineer declared it “the best solution for this installation.” He added that this, “… offered the combination of performance, pricing and efficacy we More Info »

The world’s largest LED streetlight retrofit was recently completed by the City of Los Angeles — the enormous street light swap-out, one that saw the installation of 141,089 brand-new LED street lights, was finished up just towards the end of June. Thanks to efforts such as this — and the policies that accompany/precede them — More Info »

I remember when I powered a small electric motor with heat (and a good amount of it) using a thermoelectric module. However, I had a hard time achieving more than 1 volt. A 15-year-old girl in tenth grade from Victoria, British Columbia, Canada recently got around this problem using a circuit that she discovered on the More Info »

(The following story was written by David L. Chandler, and originally published by the MIT News Office.) Light-emitting diodes (LEDs) continue to transform technology, whether it’s through the high-resolution glow of flat-screen televisions or light bulbs that last for years. The high efficiency and versatility of LEDs make them increasingly popular, but their full potential More Info »

(Cynthia Shahan posted the following article to Clean Technica on April 27, 2013) An illuminating press release from SWITCH® Lighting has announced that its first-of-a-kind SWITCH3-Way and SWITCH100 are ready to ship. Shipping is available starting next week, the beginning of May. These lights are so cool – they are like small glass sculptures. However, More Info »

(Image Credit: Coen Liedenbaum, Innovation Area Manager Lighting for Philips Research, with the prototype 200 lumens per watt tube LED in the lab, now the world’s most efficient LED lighting on a system, “real world” level that does not compromise on light quality. – PRNewsFoto/Royal Philips Electronics) SOMERSET, N.J., April 11, 2013 /PRNewswire/ — Philips announces a new More Info »